Home / 1,422,331.58-1,961,140.46-1,149,555.98

Finding the Fourth Proportional to 1,422,331.58, 1,961,140.46 and 1,149,555.98

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Solution

The fourth proportional to 1,422,331.58, 1,961,140.46 and 1,149,555.98 is: 1,585,031.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,331.58 : 1,961,140.46 = 1,149,555.98 : x
  2. Step 2: Convert to fraction form
    1,422,331.58/1,961,140.46 = 1,149,555.98/x
  3. Step 3: Cross multiply
    1,422,331.58x = 1,961,140.46 × 1,149,555.98
  4. Step 4: Simplify right side
    1,422,331.58x = 2,254,440,742,568.02
  5. Step 5: Solve for x
    x = 2,254,440,742,568.02/1,422,331.58
  6. Step 6: Final answer
    x = 1,585,031.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.